<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test for Bug 838692</title>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<script>
  function doTest() {
    var testContext = location.search.substring(1);
    try {
      var topsOpener = window.top.opener;
      window.open("file_iframe_sandbox_top_navigation_pass.html?" + testContext, "_top");
      topsOpener.postMessage({ok: true, desc: unescape(testContext) + "top navigation should be allowed by a document sandboxed with 'allow-top-navigation.'"}, "*");
    } catch(error) {
      window.top.opener.postMessage({ok: false, desc: unescape(testContext) + "error thrown during window.open(..., \"_top\")"}, "*");
      window.top.close();
    }
  }
</script>
<body onload="doTest()">
  I am sandboxed with 'allow-scripts and allow-top-navigation'
</body>
</html>
